#include<stdio.h>

int main()
{
	int n;
	scanf("%d",&n);
	switch(n){
		case 0:printf("zero");break;
		case 1:printf("one");break;
		case 2:printf("two");break;
		case 3:printf("three");break;
		case 4:printf("four");break;
		case 5:printf("five");break;
		case 6:printf("six");break;
		case 7:printf("seven");break;
		case 8:printf("eight");break;
		case 9:printf("nine");break;	
	}
	return 0;
}
